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Equity Plans - Share Based Compensation (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Aug. 30, 2018
Aug. 31, 2017
Sep. 01, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares available for future awards (in shares) 125    
Employee stock option      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Number of shares outstanding (in shares) 33    
Number of shares granted (in shares) 2 8 8
Number of shares exercised (in shares) (16)    
Number of shares canceled or expired (in shares) (1)    
Number of shares outstanding (in shares) 18 33  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]      
Weighted average exercise price per share for options outstanding (in dollars per share) $ 19.32    
Weighted average exercise price per share for options granted (in dollars per share) 43.30    
Weighted average exercise price per share for options exercised (in dollars per share) 17.82    
Weighted average exercise price per share for options canceled or expired (in dollars per share) 22.67    
Weighted average exercise price per share for options outstanding (in dollars per share) $ 23.38 $ 19.32  
Share-based Compensation Arrangement by Share-based Payment Award Options, Outstanding, Additiona Disclosures [Abstract]      
Weighted average remaining contractual term for options outstanding (in years) 4 years 9 months    
Aggregated intrinsic value for options outstanding $ 527    
Options exercisable (in shares) 8    
Weighted average exercise price per share for options exercisable (in dollars per share) $ 21.66    
Weighted average remaining contractual term for options exercisable (in years) 3 years 2 months    
Aggregated intrinsic value for options exercisable $ 233    
Options unvested (in shares) 10    
Weighted average exercise price per share for options unvested (in dollars per share) $ 24.61    
Weighted average remaining contractual term for options unvested (in years) 6 years    
Aggregate intrinsic value for options unvested $ 294    
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]      
Total intrinsic value for option exercised $ 446 $ 198 $ 52
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]      
Fair Value Assumptions, Method Used Black-Scholes    
Stock options granted (in shares) 2 8 8
Weighted-average grant-date fair values per share (in dollars per share) $ 18.65 $ 8.68 $ 6.94
Average expected life (in years) 5 years 6 months 5 years 6 months 5 years 6 months
Weighted-average expected volatility (in hundredths) 44.00% 46.00% 47.00%
Weighted-average risk-free interest rate (in thousandths) 2.20% 1.80% 1.70%
Expected dividend yield 0.00% 0.00% 0.00%
Employee stock option | Annual vesting periods | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Annual vesting rights, percentage 25.00%    
Employee stock option | Annual vesting periods | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Annual vesting rights, percentage 33.00%    
Employee stock option | Awards Granted After February 2014      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
General number of years from grant date until stock options expire (in years) 8 years    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]      
ESPP offering period (in months) 8 years    
Employee stock option | Awards Granted Prior to February 2014      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
General number of years from grant date until stock options expire (in years) 6 years    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]      
ESPP offering period (in months) 6 years    
Restricted stock award      
Restricted Stock Awards activity      
Number of Shares - Outstanding (in shares) 19    
Number of Shares - Granted (in shares) 4 8 10
Number of Shares - Restrictions lapsed (in shares) (6)    
Number of Shares - Canceled (in shares) (2)    
Number of Shares - Outstanding (in shares) 15 19  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]      
Weighted Average Grant Date Fair Value Per Share - Outstanding (in dollars per share) $ 19.78    
Weighted Average Grant Date Fair Value Per Share - Granted (in dollars per share) 42.48 $ 18.77 $ 15.40
Weighted Average Grant Date Fair Value Per Share - Restrictions lapsed (in dollars per share) 21.70    
Weighted Average Grant Date Fair Value Per Share - Canceled (in dollars per share) 21.93    
Weighted Average Grant Date Fair Value Per Share - Outstanding (in dollars per share) $ 25.18 $ 19.78  
Restricted stock awards granted (in shares) 4 8 10
Weighted-average grant-date fair values per share (in dollars per share) $ 42.48 $ 18.77 $ 15.40
Aggregate vesting-date fair value of shares vested $ 259 $ 115 $ 71
Performance and Market-based Restricted Stock Awards      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]      
Restricted award vesting period 3 years    
Performance and Market-based Restricted Stock Awards | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]      
Restricted award achievement potential, percentage 0.00%    
Performance and Market-based Restricted Stock Awards | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]      
Restricted award achievement potential, percentage 200.00%    
Service-based Restrictied Stock Awards      
Restricted Stock Awards activity      
Number of Shares - Outstanding (in shares) 13    
Service-based Restrictied Stock Awards | Annual vesting periods | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Annual vesting rights, percentage 25.00%    
Service-based Restrictied Stock Awards | Annual vesting periods | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Annual vesting rights, percentage 33.00%    
Employee Stock Purchase Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares available for future awards (in shares) 33    
General number of years from grant date until stock options expire (in years) 6 months    
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]      
Fair Value Assumptions, Method Used Black-Scholes    
Average expected life (in years) 6 months    
Weighted-average expected volatility (in hundredths) 43.00%    
Weighted-average risk-free interest rate (in thousandths) 2.20%    
Expected dividend yield 0.00%    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]      
Weighted Average Grant Date Fair Value Per Share - Granted (in dollars per share) $ 14.55    
Weighted-average grant-date fair values per share (in dollars per share) $ 14.55    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]      
ESPP maximum percentage of eligible compensation 10.00%    
ESPP purchase price of common stock, percent, first or last trading day of offering period 85.00%    
ESPP offering period (in months) 6 months